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Aerodrome Design Manual Doc 9157 Part 2

Aerodrome Design Manual Doc 9157 Part 2

The Aerodrome Design Manual (ADM) is a series of documents published by the International Civil Aviation Organization (ICAO) that provide guidance and best practices for the design and operation of aerodromes. The ADM consists of six parts, each covering a specific aspect of aerodrome design. This article will focus on Part 2, which deals with the design of taxiways, aprons, and holding bays.

What are taxiways, aprons, and holding bays?

Taxiways are the paths that connect the runway with the apron, the terminal, or other facilities. Taxiways allow aircraft to move between different parts of the aerodrome without interfering with the runway operations. Taxiways are usually marked with yellow lines and signs to guide the pilots.

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Aprons are the areas where aircraft are parked, loaded, unloaded, refueled, or maintained. Aprons are usually located near the terminal or other buildings that provide services to the aircraft and passengers. Aprons are usually marked with white lines and signs to indicate the parking positions and boundaries.

Holding bays are the areas where aircraft wait before entering or after exiting the runway. Holding bays are usually located near the runway ends or at intersections. Holding bays allow aircraft to be separated from the runway traffic and reduce the risk of collisions or runway incursions.

Why is Part 2 of ADM important?

Part 2 of ADM is important because it provides guidance and best practices for the design of taxiways, aprons, and holding bays that ensure safety, efficiency, and compatibility with different types and sizes of aircraft. Part 2 of ADM covers topics such as:

  • The general layout and description of taxiways, aprons, and holding bays

  • The updated design criteria for taxiway physical characteristics, including the width, shoulder, strip, gradient, curve, slope, surface, lighting, marking, and signage

  • The impact of newer generation of larger aircraft on the existing aerodromes and the need for adequate clearance and separation distances

  • The design of blast fences to protect personnel, equipment, and facilities from jet blast

  • The operational procedures and considerations for taxiing, parking, and holding aircraft

Part 2 of ADM is based on well-equipped modern aircraft that have increased capabilities offered by advanced technologies, often providing very precise guidance on landing, take-off, and taxiing. Part 2 of ADM also takes into account the environmental aspects and the human factors that affect the aerodrome design and operation.

Where can I find Part 2 of ADM?

Part 2 of ADM is available in English, French, Spanish, Russian, Arabic, and Chinese languages. You can purchase a digital or printed copy from the [ICAO Store]. You can also access a free online version from the [SKYbrary Aviation Safety] website. Additionally, you can find more information and resources on aerodrome design and operation from the [Admire Tech Vision] forum.


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